Jump to photo of Grafton postreef rock Jump to photo of Grafton postreef fossil Go to enlarged view of Grafton reef rock Jump to photo of Grafton reef fossil Jump to photo of Grafton interreef rock Jump to Photo of Grafton prereef rock
Rocks and Fossils
from the Quarry at Grafton, Wisconsin

Rocks Environment Fossils
Postreef
Reef
Interreef Interreef Fossil
Prereef Grafton Prereef Fossil



© 1997, Milwaukee Public Museum, Inc.